Problems with User block on front page imminent

I'm going to be trying to sort out the errors in the numebr of new members and how many are online that the block on the top right of the front page shows. I can only do this on the live site, so expect that block to come and go and expect a mucked up front page at times.

Before anyone asks this is not related to the big crash of the last 18 hours, which I hope is now sorted.

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